upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 411

• Manufacturer Part Number: upd70f3402
• Description: 32-/16-bit Single-chip Microcontroller With Can Interface
• Manufacturer: Renesas Electronics Corporation.

UAnOPT0
(4)
Remarks: 1. n = 0 to 1
Remark:
Symbol
• The value of the TXDAn bit can be inverted by the UAnTDL bit.
• This bit can be set when the UAnPWR bit of the UAnCTL0 register = 0 or when the UAnTXE bit of the
• The value of the RXDAn pin can be inverted by the UAnRDL bit.
• This bit can be set when the UAnPWR bit of the UAnCTL0 register = 0 or when the UAnRXE bit of the
UAnRDL
UAnTDL
UAnCTL0 register = 0.
UAnCTL0 register = 0.
UARTAn option control register 0 (UAnOPT0)
The UAnOPT0 register is an 8-bit register that controls the serial transfer operation of UARTAn.
This register can be read or written in 8-bit or 1-bit units.
Reset input sets this register to 14H.
0
1
0
1
2. It is mandatory to write the fixed bits to the values given above to ensure proper opera-
For details of the parity, refer to 12.5.9 Types and operation of parity.
7
0
Normal output of transfer data
Inverted output of transfer data
Normal input of transfer data
Inverted input of transfer data
tion.
Figure 12-5: UARTAn Option Control Register 0 (UAnOPT0)
Chapter 12 Asynchronous Serial Interface A (UARTA)
6
0
Address: UA0OPT0: FFFFFA03H, UA1OPT0: FFFFFA13H
User’s Manual U16702EE3V2UD00
5
0
4
1
Transmit data level control bit
Receive data level control bit
3
0
2
1
UAnTDL UAnRDL
1
0
Address R/W
R/W
Reset
After
14H
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